Are these motors the claimed year, if so good deal?

[floatingwoody2006]

Re: Are these motors the claimed year, if so good deal?

My 93 15 hp has 130 PSI even on both cyl's. Rope start. Truthfully, the one on the left may be in better condition just looking at the pictures, even though it's older. Do yourself a favor and get that compression tester. It's one of the most valuable tools to evaluate the health of any motor. Those are good motors. I think sometime around 93 johnson made some changes to the design.

 

[bktheking]

Re: Are these motors the claimed year, if so good deal?

My 93 15 hp has 130 PSI even on both cyl's. Rope start. Truthfully, the one on the left may be in better condition just looking at the pictures, even though it's older. Do yourself a favor and get that compression tester. It's one of the most valuable tools to evaluate the health of any motor. Those are good motors. I think sometime around 93 johnson made some changes to the design.

Yup , the year they went plastic!

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

Wow thanks for all the input guys you are great!

Well, the 89 is sold, and the guy lives 2 hours from me and is out of town until monday. But I found out some new info, the claimed 87 "he said he was told it was an 87 so.." he is actually a 9.9 and he had the 15HP carb put on it and he said he also changed the prop to the 15HP prop? "never knew there was a difference between the 9.9 prop and 15"

By the sounds of it, he sounds like he takes care of his stuff, they we're used as bush motors, but said he puts in new plugs every year and gear oil etc.

Thanks to the one fellow who offered to lend his compression tester I am up in the Kirkland Lake Ontario area "northeastern ontario" so I think I am a little out of the way

I told him I would give him the 400 for the motor with the tank and hose if he could bring it here to me. It's a catch 22 situation for me. I dont want to drive all the way out there and back to find out there is problems with it, but dont want him coming all the way here and me finding out problems with it "if there is any which I am sure there is not" and I also dont want to **** the guy off with all my requests and have him sell the motor to someone else sooo.. .I dont know what to do lol.

Anyone around here in my area with a 9.9 for sale?

 

[1946Zephyr]

Re: Are these motors the claimed year, if so good deal?

The 9.9 has the same powerhead as the 15. I believe there is a different carb on the 15. It is an easy conversion to make a 9.9 to a 15.

Back to the compression guage statement: A $10.00 compression guage can prevent you from buying a motor that needs a couple hundred dollar rebuild

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

Yes, you are correct in saying that the 9.9 and 15hp powerhead are the same, I already knew this. I really just want a 9.9, but try finding a motor around my neck of the woods "rare"

And my neighbour said he has a compression tester so if I do end up getting this motor I will for sure do that before I buy it. Do I need to remove both plugs at the same time to test compression? or just take out one plug at a time?

Thanks guys

 

[1946Zephyr]

Re: Are these motors the claimed year, if so good deal?

Yes, you are correct in saying that the 9.9 and 15hp powerhead are the same, I already knew this. I really just want a 9.9, but try finding a motor around my neck of the woods "rare"

And my neighbour said he has a compression tester so if I do end up getting this motor I will for sure do that before I buy it. Do I need to remove both plugs at the same time to test compression? or just take out one plug at a time?

Thanks guys

I would take both plugs out. Crank it over about 5 times and by then, you should get your maximum compression

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

Thanks.

What would be a bad compression for this motor?

 

[bktheking]

Re: Are these motors the claimed year, if so good deal?

Thanks.

What would be a bad compression for this motor?

50-60 is low, 85+ is good as long as both reading are close to each other, within 10%. My wife pulled apart my 76 15 today ( I know, she shocked me too ), found some neat things out like a broken mount on the lower cowl, the base gasket for the powerhead was some nice orange RTF as well as the gasket at the bottom of the exhaust tube. You never can really tell all about a motor until you start pulling it apart.

 

[floatingwoody2006]

Re: Are these motors the claimed year, if so good deal?

take both plugs out. I have always opened the throttle as well. Don't really know why, but there must be a reason. Think i read it here.

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

10/4

 

[npd4432]

Re: Are these motors the claimed year, if so good deal?

Everything you need to know about the 9.9 and the 15 are here, some great info.

http://www.sschapterpsa.com/ramblings/Johnson 9.9_15.htm

 

[14ftgrumman]

Re: Are these motors the claimed year, if so good deal?

Remove both plugs. read the "top secret " files. A wealth of info there.

 

[reelfishin]

Re: Are these motors the claimed year, if so good deal?

I also like to make sure the cylinders are not dry when checking compression, a shot of light oil will do the trick, just so long as you do the same to both cylinders.
You want the throttle open so it can pump as much air through as possible
With the throttle plates open, and a shot of oil in each cylinder my 1987 9.9hp reads 115/117 on both cylinders, my electric start 1985 9.9 gives me 129/132, and my electric start 1982 15hp gives me 135/136. All three are healthy good running engines.

I don't think that's a bad price, I wouldn't part with any of mine for that cheap.
They bring upwards of $650 here in the spring, and usually over $1200 for nice electric start model.

 

[jbjennings]

Re: Are these motors the claimed year, if so good deal?

I personally think the '89 was a total piece of junk and you are better off without it. The '83 looks like the lower unit isn't beat up too bad, with very little paint off the skeg if the paint is original. It also looks like the prop is in good shape which normally would make me think it is probably a decent motor. Something strikes me as odd about the guy having 2 of these for sale. I prefer to buy someone's old motor that has decided to get something newer.
Those motors are good motors, but parts are fairly expensive. A good lower unit is probably as valuable as a good powerhead.
Even if the compression and spark check out good, you'll won't know if the lower unit is good until you put it on a boat and try it out. Then you'll find out if the clutch dog and forward gear ears are going to slip or not.
If you could find a different motor that doesn't look like it has had so many hours on it, I would. Even if it were as old as a '56 model.
JMO,
JBJ

 

[bktheking]

Re: Are these motors the claimed year, if so good deal?

I personally think the '89 was a total piece of junk and you are better off without it. The '83 looks like the lower unit isn't beat up too bad, with very little paint off the skeg if the paint is original. It also looks like the prop is in good shape which normally would make me think it is probably a decent motor. Something strikes me as odd about the guy having 2 of these for sale. I prefer to buy someone's old motor that has decided to get something newer.
Those motors are good motors, but parts are fairly expensive. A good lower unit is probably as valuable as a good powerhead.
Even if the compression and spark check out good, you'll won't know if the lower unit is good until you put it on a boat and try it out. Then you'll find out if the clutch dog and forward gear ears are going to slip or not.
If you could find a different motor that doesn't look like it has had so many hours on it, I would. Even if it were as old as a '56 model.
JMO,
JBJ

JB, any used motor you buy is going to need to be gone through, you never know what the PO owner did or didn't do. I agree, the newer motor looks like @$$.

 

[1946Zephyr]

Re: Are these motors the claimed year, if so good deal?

Hey, not if you buy a motor from me

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

Well not everyone can afford to drop 3 grand on a new motor

Thank you all for the awesome links and advice! I think someone beat me to it though seller has not returned my emails

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

Zephyr,

What do you have for sale? shoot me a PM, if you are in Ontario Canada I might be interested!

 

[bktheking]

Re: Are these motors the claimed year, if so good deal?

He's in Yamhill, West coast in the US, I'll keep my eye open for you, I'm getting one on my new boat but it's been promised to Kenmyfam. If you want one to repair I know where there are lots here in Ottawa, I could make a call if you are coming this way.

 

[northwoodslivin]

Re: Are these motors the claimed year, if so good deal?

Oh well thanks for that info!

I would be interested in a motor depending on what needs to be repaired and the cost shipped to me.
Shoot me a PM with details when you get a chance!
Thanks
Jay